1.

The complex [Fe(H_(2)O)_(5)NO]^(2+) is formed in the brown ring test for nitrates when freshly prepared FeSO_(4) solution is added to aq solution of NO_(3)(-) followed by addition of conc. H_(2)SO_(4). Select correct statement about this complex :

Answer»

colour changes due to charge transfer
it has iron in `+1` OXIDATION state and nitrosyl as `NO^(+)`
it has magnetic moment of 3.87 B.M. confirming three unpaired ELECTRONS in FE
all are correct statements

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